:root{
  --navy:#0b3c78;
  --blue:#155aa8;
  --blue-2:#2f6fb3;
  --gold:#c69a3a;
  --gold-2:#e4bd67;
  --ink:#172033;
  --muted:#677084;
  --line:#e5eaf1;
  --soft:#f4f8fc;
  --white:#fff;
  --shadow:0 12px 34px rgba(17,44,80,.10);
  --radius:16px;
  --container:1180px;
  --font:"Noto Sans KR",Pretendard,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:#f5f6f8;line-height:1.65;word-break:keep-all}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.container{width:min(var(--container),calc(100% - 40px));margin-inline:auto}
.hidden{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* header */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(15,45,80,.08);backdrop-filter:blur(12px)}
.header-inner{height:78px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;min-width:205px}
.brand img{height:52px;width:auto;object-fit:contain}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:31px;font-weight:700;font-size:15px}
.main-nav a{position:relative;padding:29px 0 24px;white-space:nowrap}
.main-nav a::after{content:"";position:absolute;left:50%;right:50%;bottom:0;height:3px;background:var(--blue);transition:.22s}
.main-nav a:hover::after,.main-nav a.active::after{left:0;right:0}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:6px}
.header-cta{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:8px;background:var(--gold);color:#fff;font-weight:800;white-space:nowrap;box-shadow:0 5px 14px rgba(198,154,58,.22)}
.icon-btn{width:44px;height:44px;border:0;background:transparent;border-radius:10px;display:grid;place-items:center;color:#24364b}
.icon-btn:hover{background:var(--soft)}
.hamburger{display:none}
.mobile-panel{display:none}

/* hero */
.hero{position:relative;min-height:500px;color:#fff;background:#111;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,15,29,.87) 0%,rgba(3,15,29,.68) 40%,rgba(3,15,29,.24) 72%,rgba(3,15,29,.34) 100%);z-index:1}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-inner{position:relative;z-index:2;padding:78px 0 108px}
.hero-copy{max-width:590px}
.hero h1{font-size:clamp(42px,5vw,66px);line-height:1.18;margin:0 0 24px;letter-spacing:-.045em;font-weight:900}
.hero p{font-size:18px;color:rgba(255,255,255,.92);margin:0 0 34px;max-width:600px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:52px;padding:0 25px;border-radius:9px;border:1px solid transparent;font-weight:800;transition:.2s}
.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#0d4d95;transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#fff}.btn-gold:hover{background:#b7872c;transform:translateY(-1px)}
.btn-outline{border-color:var(--navy);color:var(--navy);background:#fff}.btn-outline:hover{background:var(--soft)}
.btn-ghost{border-color:rgba(255,255,255,.65);color:#fff;background:rgba(255,255,255,.06)}

/* quick links */
.quick-wrap{position:relative;z-index:10;margin-top:-36px}
.quick-links{display:grid;grid-template-columns:repeat(6,1fr);background:#fff;border-radius:15px;box-shadow:var(--shadow);padding:20px 10px;overflow:hidden}
.quick-link{min-height:112px;padding:8px 14px;display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center;border-right:1px solid var(--line);transition:.2s}
.quick-link:last-child{border-right:0}
.quick-link:hover{background:var(--soft);transform:translateY(-2px)}
.quick-icon{width:46px;height:46px;color:var(--navy);margin-bottom:8px}
.quick-link strong{font-size:15px}.quick-link small{font-size:12px;color:var(--muted);margin-top:5px;line-height:1.45}

/* common sections */
main{background:#f5f6f8}
.section{padding:54px 0}
.section.compact{padding:34px 0}
.section-title-row{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:22px}
.section-title{margin:0;font-size:28px;letter-spacing:-.03em}
.section-kicker{display:block;color:var(--gold);font-weight:800;font-size:13px;margin-bottom:5px}
.more-link{color:#556174;font-size:14px;font-weight:700}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 6px 22px rgba(18,45,78,.05)}

/* notice / calendar */
.info-board{display:grid;grid-template-columns:1.08fr .92fr;overflow:hidden}
.info-column{padding:28px 30px}.info-column+ .info-column{border-left:1px solid var(--line)}
.board-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}
.board-head h2{font-size:23px;margin:0}
.notice-list,.event-list{list-style:none;padding:0;margin:0}
.notice-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;padding:13px 0;border-bottom:1px solid #edf0f4;font-size:14px}
.notice-row:last-child{border-bottom:0}.notice-row a{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}
.badge{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:24px;padding:0 8px;border-radius:999px;background:#eaf2fb;color:var(--blue);font-size:12px;font-weight:800}
.badge.important{background:#e8effb;color:var(--navy)}
.badge.gold{background:#fbf1db;color:#9a6a08}
.notice-date{color:#7e8797;font-size:13px}
.calendar-area{display:grid;grid-template-columns:1.05fr .95fr;gap:18px}
.calendar{border-right:1px solid var(--line);padding-right:17px}
.cal-head{display:flex;align-items:center;justify-content:center;gap:17px;font-weight:800;margin-bottom:13px}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:7px;text-align:center;font-size:12px}
.cal-grid span{height:27px;display:grid;place-items:center;border-radius:50%}.cal-grid .muted{color:#b6bdc8}.cal-grid .active{background:var(--navy);color:#fff;font-weight:800}
.upcoming h3{font-size:14px;margin:2px 0 10px}.event-item{padding:12px 0;border-bottom:1px solid #edf0f4}.event-item:last-child{border-bottom:0}.event-item time{display:block;font-size:12px;color:var(--gold);font-weight:800}.event-item strong{font-size:14px}

/* feature banners */
.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.feature-banner{position:relative;min-height:260px;border-radius:14px;overflow:hidden;color:#fff;display:flex;align-items:flex-end;padding:28px;box-shadow:var(--shadow)}
.feature-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,51,105,.95),rgba(5,51,105,.48),rgba(5,51,105,.05))}
.feature-banner.gold::after{background:linear-gradient(90deg,rgba(184,131,25,.94),rgba(184,131,25,.52),rgba(184,131,25,.08))}
.feature-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feature-content{position:relative;z-index:2;max-width:360px}.feature-content h3{font-size:30px;margin:2px 0 10px}.feature-content p{font-size:14px;margin:0 0 18px;color:rgba(255,255,255,.9)}

/* programs */
.program-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.program-card{overflow:hidden}.program-content{padding:18px}.program-top{display:flex;align-items:center;gap:12px;margin-bottom:12px}.program-icon{width:42px;height:42px;color:var(--navy)}.program-card h3{font-size:17px;margin:0}.program-card p{font-size:13px;color:var(--muted);margin:0}.program-card img{width:100%;height:148px;object-fit:cover}

/* activities */
.activity-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.activity-card{overflow:hidden}.activity-card img{width:100%;height:116px;object-fit:cover}.activity-card .body{padding:12px 12px 14px}.activity-card strong{font-size:13px;display:block;line-height:1.45}.activity-card time{font-size:11px;color:#8992a0}

/* scholarship CTA */
.scholar-cta{background:linear-gradient(120deg,#fffdf8,#fff);border:1px solid #dfc080;padding:28px 30px;display:grid;grid-template-columns:1.1fr 2fr;gap:26px;align-items:center}
.scholar-copy h2{font-size:31px;color:#ad7b1e;margin:0 0 8px}.scholar-copy p{color:#756a57;margin:0}
.scholar-actions{display:grid;grid-template-columns:repeat(5,1fr);gap:13px}.scholar-action{text-align:center}.scholar-circle{width:68px;height:68px;border:1.5px solid var(--gold);border-radius:50%;display:grid;place-items:center;margin:0 auto 8px;color:var(--gold)}.scholar-circle svg{width:30px;height:30px}.scholar-action strong{font-size:12px}

/* video */
.video-layout{display:grid;grid-template-columns:1.3fr .7fr;gap:18px}.video-main{position:relative;min-height:265px;overflow:hidden}.video-main img{width:100%;height:100%;object-fit:cover}.video-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.65),rgba(0,0,0,.08));display:flex;align-items:flex-end;padding:24px;color:#fff}.video-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:66px;height:66px;border-radius:50%;background:#e60012;color:#fff;display:grid;place-items:center;font-size:25px}.video-side{display:grid;gap:12px}.video-mini{display:grid;grid-template-columns:120px 1fr;gap:12px;align-items:center;padding:9px}.video-mini img{width:120px;height:78px;object-fit:cover;border-radius:8px}.video-mini strong{font-size:14px}.video-mini small{display:block;color:var(--muted);margin-top:4px}

/* member CTA/footer */
.member-band{background:linear-gradient(105deg,#07376f,#0e559e);color:#fff;padding:30px 0}.member-band-inner{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;align-items:center}.member-band h2{margin:0 0 6px;font-size:24px}.member-band p{margin:0;color:rgba(255,255,255,.8);font-size:13px}.member-band a{min-height:66px;display:flex;align-items:center;justify-content:center;gap:10px;border-left:1px solid rgba(255,255,255,.2);font-weight:700}
.site-footer{background:#fff;padding:28px 0 24px;border-top:1px solid var(--line)}.footer-inner{display:grid;grid-template-columns:230px 1fr auto;gap:28px;align-items:start}.footer-brand img{width:180px}.footer-info{font-size:12px;color:#5f6877}.footer-links{display:flex;gap:17px;font-size:12px;flex-wrap:wrap;justify-content:flex-end}

/* page hero / lists */
.page-hero{background:linear-gradient(90deg,var(--navy),rgba(11,60,120,.65)),url('../img/about.webp') center/cover;color:#fff;padding:68px 0}.page-hero h1{font-size:42px;margin:0 0 8px}.page-hero p{margin:0;color:rgba(255,255,255,.85)}
.content-layout{display:grid;grid-template-columns:240px 1fr;gap:32px}.side-nav{padding:18px}.side-nav a{display:block;padding:12px 13px;border-radius:8px;font-weight:700}.side-nav a:hover,.side-nav a.active{background:var(--soft);color:var(--blue)}
.article{padding:32px}.article h2{font-size:30px;margin-top:0}.prose{white-space:pre-wrap}.list-table{width:100%;border-collapse:collapse}.list-table th,.list-table td{padding:14px;border-bottom:1px solid var(--line);text-align:left}.list-table th{font-size:13px;color:#687182;background:#f8fafc}

/* auth */
.auth-shell{min-height:calc(100vh - 78px);display:grid;place-items:center;padding:60px 20px;background:radial-gradient(circle at top,#eaf3fc,#f7f8fa 55%)}
.auth-card{width:min(520px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:34px}.auth-card h1{margin:0 0 8px;font-size:30px}.auth-card>p{margin:0 0 24px;color:var(--muted)}
.form-grid{display:grid;gap:16px}.form-group{display:grid;gap:7px}.form-group label{font-size:13px;font-weight:800}.form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid #d9e0ea;border-radius:10px;padding:12px 13px;background:#fff;outline:0}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(21,90,168,.1)}.form-help{font-size:12px;color:var(--muted)}.form-error{font-size:13px;color:#bc2431;background:#fff0f1;border-radius:8px;padding:10px}.form-success{font-size:13px;color:#176c42;background:#ebfbf3;border-radius:8px;padding:10px}.auth-foot{text-align:center;margin-top:20px;font-size:13px;color:var(--muted)}

/* member/admin */
.dashboard-shell{min-height:100vh;background:#f2f5f8}.dash-header{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 24px;position:sticky;top:0;z-index:30}.dash-header .brand img{height:44px}.dash-header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}.dash-layout{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 68px)}.dash-sidebar{background:#0b3264;color:#fff;padding:25px 16px;position:sticky;top:68px;height:calc(100vh - 68px);overflow:auto}.dash-sidebar h3{font-size:12px;color:rgba(255,255,255,.55);padding:0 12px;margin:18px 0 8px}.dash-nav button,.dash-nav a{width:100%;border:0;background:transparent;color:#fff;text-align:left;padding:11px 12px;border-radius:9px;display:flex;align-items:center;gap:10px}.dash-nav button:hover,.dash-nav button.active,.dash-nav a:hover{background:rgba(255,255,255,.12)}.dash-main{padding:28px;min-width:0}.dash-title-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.dash-title-row h1{font-size:29px;margin:0}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.stat-card{padding:20px}.stat-card small{color:var(--muted)}.stat-card strong{display:block;font-size:31px;margin-top:4px}.admin-panel{padding:24px}.admin-toolbar{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap}.admin-toolbar h2{margin:0}.admin-table-wrap{overflow:auto}.admin-table{width:100%;border-collapse:collapse;min-width:760px}.admin-table th,.admin-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:13px}.admin-table th{background:#f7f9fc;color:#657083}.mini-btn{border:1px solid #d7deea;background:#fff;border-radius:7px;padding:7px 10px;font-size:12px}.mini-btn.primary{background:var(--blue);color:#fff;border-color:var(--blue)}.mini-btn.danger{color:#a61e2b;border-color:#efc8cd}.modal{position:fixed;inset:0;background:rgba(8,19,33,.55);display:grid;place-items:center;z-index:100;padding:20px}.modal-card{background:#fff;width:min(760px,100%);max-height:90vh;overflow:auto;border-radius:17px;padding:25px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.modal-head h2{margin:0}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:15px}.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.settings-grid .span-2{grid-column:1/-1}.media-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.media-card{position:relative;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}.media-card img{width:100%;aspect-ratio:1.25;object-fit:cover}.media-card .media-body{padding:8px;font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.toast{position:fixed;right:20px;bottom:20px;background:#142234;color:#fff;padding:12px 16px;border-radius:10px;z-index:140;box-shadow:var(--shadow)}

/* responsive */
@media(max-width:1060px){
  .main-nav{gap:18px;font-size:14px}.header-cta{display:none}.quick-links{grid-template-columns:repeat(3,1fr)}.quick-link:nth-child(3){border-right:0}.quick-link:nth-child(-n+3){border-bottom:1px solid var(--line)}
  .activity-grid{grid-template-columns:repeat(3,1fr)}.program-grid{grid-template-columns:repeat(2,1fr)}.scholar-cta{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.footer-links{justify-content:flex-start}
}
@media(max-width:820px){
  .header-inner{height:68px}.brand img{height:45px}.main-nav,.header-cta{display:none}.hamburger{display:grid;margin-left:auto}.mobile-panel{position:fixed;top:68px;right:0;bottom:0;width:min(340px,86vw);background:#fff;box-shadow:-20px 0 50px rgba(0,0,0,.15);padding:20px;z-index:90;overflow:auto}.mobile-panel.open{display:block}.mobile-panel a{display:block;padding:14px;border-bottom:1px solid var(--line);font-weight:700}
  .hero{min-height:470px}.hero-inner{padding:65px 0 115px}.hero h1{font-size:45px}.quick-links{grid-template-columns:repeat(2,1fr)}.quick-link{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.quick-link:nth-child(2n){border-right:0}.quick-link:nth-last-child(-n+2){border-bottom:0}
  .info-board{grid-template-columns:1fr}.info-column+.info-column{border-left:0;border-top:1px solid var(--line)}.feature-grid{grid-template-columns:1fr}.activity-grid{grid-template-columns:repeat(2,1fr)}.scholar-actions{grid-template-columns:repeat(3,1fr)}.video-layout{grid-template-columns:1fr}.member-band-inner{grid-template-columns:1fr}.member-band a{border-left:0;border-top:1px solid rgba(255,255,255,.2)}
  .content-layout{grid-template-columns:1fr}.side-nav{display:none}.dash-layout{grid-template-columns:1fr}.dash-sidebar{position:static;height:auto;display:none}.dash-sidebar.open{display:block}.stat-grid{grid-template-columns:repeat(2,1fr)}.settings-grid,.two-col,.three-col{grid-template-columns:1fr}.settings-grid .span-2{grid-column:auto}.media-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:560px){
  .container{width:min(100% - 24px,var(--container))}.hero h1{font-size:37px}.hero p{font-size:15px}.hero-actions .btn{width:100%}.quick-link small{display:none}.info-column{padding:22px 18px}.calendar-area{grid-template-columns:1fr}.calendar{border-right:0;border-bottom:1px solid var(--line);padding:0 0 17px}.program-grid,.activity-grid{grid-template-columns:1fr}.scholar-actions{grid-template-columns:repeat(2,1fr)}.feature-banner{min-height:230px}.video-mini{grid-template-columns:100px 1fr}.video-mini img{width:100px;height:70px}.footer-brand img{width:160px}.stat-grid{grid-template-columns:1fr}.dash-main{padding:18px}.media-grid{grid-template-columns:repeat(2,1fr)}
}